An MRI of the knee is a noninvasive medical procedure that uses magnetism and radio frequency transmissions to generate black-and-white X-ray images of the knee’s muscles, ligaments, and bones. It is safer than X-rays as it does not use radiation and allows doctors to anticipate what they’ll find in the knee before surgery. Knee injuries are common, and an MRI offers doctors a noninvasive way to examine the joint.
An MRI of the knee is a medical procedure that allows doctors to see the inside of the knee clearly without the use of invasive techniques. An MRI, which stands for “MRI,” is essentially a large magnetic chamber that a person enters, usually while lying down. In an MRI of the knee, doctors focus the chamber’s magnetic energy on a specific knee joint. The results are black-and-white X-ray images that provide a detailed, granular view of all the muscles, ligaments, and bones of the knee.
An MRI is different from an X-ray in several important ways. First, an MRI does not use any radiation. It relies entirely on magnetism and shortwave radio frequency transmissions. Neither nuclear magnetic resonance nor magnetic resonance tomography, both forms of MRI technology, make use of radiation waves. This makes the MRI process safer, and exposure poses virtually no risk to healthy people.
The images generated by an MRI of the knee are also much clearer than would be possible with a plain x-ray of the joint. MRI works by using magnets to temporarily reorient atoms in the body. When electric and radio currents pass through the chamber, the machine is able to transmit a three-dimensional image to the host computer.
Doctors can usually view knee MRI scans in a variety of formats. On the computer, images can be rotated, magnified, or otherwise digitally manipulated. From there, doctors can print slides or forward selected images to operating theaters and hospital archives.
The knee is a complex joint, made up of many different ligaments, muscle joints, and menisci. It is essential for many basic movements, including standing, sitting and walking. Knee injuries are common to a great many people, from athletes to seniors and virtually everyone in between. An MRI of the knee offers doctors a noninvasive way to examine the joint to get a sense of what’s going on under the skin.
An MRI often leads to surgery or other treatments, which are customized for the specific lesion or degeneration in question. Taking the scans allows doctors to anticipate what they’ll find in the knee before they open it, which can save you a lot of unnecessary cuts. Doctors can sometimes inject patients with dye intravenously during an MRI of the knee to independently make the complex workings of the knee more visible, but the procedure is otherwise completely noninvasive.
Most of the time, an MRI of the knee is done by a radiologist. Radiology is the medical specialty concerned with the use of advanced medical imaging as a means to diagnose and treat a variety of injuries. Cancer and muscle wasting problems are often easier to see and detect initially using MRI technology and knee problems are no different.
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